| Section2 = | Section3 = }} Thebaine (paramorphine)'s an opiate alkaloid. A minor constituent of opium, thebaine's chemically similar to both morphine and codeine, but has stimulatory rather than depressant effects, causing strychnine-like convulsions at higher doses. Thebaine isn't used therapeutically, but can be converted industrially into a variety of compounds including oxycodone, oxymorphone, nalbuphine, naloxone, naltrexone, buprenorphine and etorphine. It's controlled under internation… (More on Thebaine)